mirror of
https://github.com/RobTillaart/Arduino.git
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157 lines
3.8 KiB
C++
157 lines
3.8 KiB
C++
//
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// FILE: unit_test_001.cpp
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// AUTHOR: Rob Tillaart
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// DATE: 2021-01-01
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// PURPOSE: unit tests for the MCP_POT
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// https://github.com/RobTillaart/MCP_POT
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// https://github.com/Arduino-CI/arduino_ci/blob/master/REFERENCE.md
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//
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// supported assertions
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// ----------------------------
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// assertEqual(expected, actual); // a == b
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// assertNotEqual(unwanted, actual); // a != b
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// assertComparativeEquivalent(expected, actual); // abs(a - b) == 0 or (!(a > b) && !(a < b))
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// assertComparativeNotEquivalent(unwanted, actual); // abs(a - b) > 0 or ((a > b) || (a < b))
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// assertLess(upperBound, actual); // a < b
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// assertMore(lowerBound, actual); // a > b
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// assertLessOrEqual(upperBound, actual); // a <= b
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// assertMoreOrEqual(lowerBound, actual); // a >= b
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// assertTrue(actual);
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// assertFalse(actual);
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// assertNull(actual);
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// // special cases for floats
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// assertEqualFloat(expected, actual, epsilon); // fabs(a - b) <= epsilon
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// assertNotEqualFloat(unwanted, actual, epsilon); // fabs(a - b) >= epsilon
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// assertInfinity(actual); // isinf(a)
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// assertNotInfinity(actual); // !isinf(a)
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// assertNAN(arg); // isnan(a)
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// assertNotNAN(arg); // !isnan(a)
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#include <ArduinoUnitTests.h>
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#include "Arduino.h"
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#include "MCP_POT.h"
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unittest_setup()
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{
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fprintf(stderr, "MCP_POT_LIB_VERSION: %s\n", (char *) MCP_POT_LIB_VERSION);
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}
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unittest_teardown()
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{
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}
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unittest(test_constants)
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{
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assertEqual(128, MCP_POT_MIDDLE_VALUE);
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assertEqual(255, MCP_POT_MAX_VALUE);
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}
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unittest(test_constructor)
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{
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MCP_POT MCP1(9, 10, 11, 6, 7); // SW SPI
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MCP_POT MCP2(9, 10, 11, &SPI); // HW SPI
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MCP41010 MCP41_1(9, 10, 11, 6, 7); // SW SPI
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MCP41050 MCP41_2(9, 10, 11, 6, 7); // SW SPI
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MCP41100 MCP41_3(9, 10, 11, 6, 7); // SW SPI
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MCP42010 MCP42_1(9, 10, 11, &SPI); // HW SPI
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MCP42050 MCP42_2(9, 10, 11, &SPI); // HW SPI
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MCP42100 MCP42_3(9, 10, 11, &SPI); // HW SPI
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MCP1.begin();
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MCP2.begin();
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assertFalse(MCP1.usesHWSPI());
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assertTrue(MCP2.usesHWSPI());
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MCP41_1.begin();
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MCP41_2.begin();
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MCP41_3.begin();
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MCP42_1.begin();
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MCP42_2.begin();
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MCP42_3.begin();
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assertEqual(2, MCP1.pmCount());
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assertEqual(2, MCP2.pmCount());
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assertEqual(1, MCP41_1.pmCount());
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assertEqual(1, MCP41_1.pmCount());
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assertEqual(1, MCP41_1.pmCount());
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assertEqual(2, MCP42_1.pmCount());
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assertEqual(2, MCP42_2.pmCount());
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assertEqual(2, MCP42_3.pmCount());
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP1.getValue());
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP2.getValue());
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP41_1.getValue());
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP41_1.getValue());
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP41_1.getValue());
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP42_1.getValue());
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP42_2.getValue());
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP42_3.getValue());
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}
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unittest(test_setValue_both)
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{
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MCP_POT MCP1(9, 10, 11, 6, 7); // SW SPI
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MCP1.begin();
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for (int i = 0; i < 256; i+= 33)
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{
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MCP1.setValue(i);
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assertEqual(i, MCP1.getValue(0));
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assertEqual(i, MCP1.getValue(1));
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}
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}
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unittest(test_setValue_0)
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{
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MCP_POT MCP1(9, 10, 11, 6, 7); // SW SPI
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MCP1.begin();
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for (int i = 0; i < 256; i+= 33)
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{
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MCP1.setValue(0, i);
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assertEqual(i, MCP1.getValue(0));
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP1.getValue(1));
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}
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}
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unittest(test_setValue_1)
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{
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MCP_POT MCP1(9, 10, 11, 6, 7); // SW SPI
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MCP1.begin();
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for (int i = 0; i < 256; i+= 33)
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{
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MCP1.setValue(1, i);
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assertEqual(i, MCP1.getValue(1));
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assertEqual(MCP_POT_MIDDLE_VALUE, MCP1.getValue(0));
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}
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}
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unittest_main()
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// -- END OF FILE --
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